小金属领涨！宝武镁业涨停！有色ETF（159876）强势拉升2.16%，获资金实时净申购480万份

Group 1 - The core viewpoint of the news is that the non-ferrous metal sector continues to perform strongly, with the non-ferrous ETF (159876) seeing a price increase of 2.16% and a net subscription of 4.8 million units on February 27 [1] - The leading stocks in the small metal sector have shown significant gains, with Baowu Magnesium Industry hitting the daily limit, Yunnan Zinc Industry rising over 7%, and other companies like Tin Industry Co. and Xiamen Tungsten Co. increasing by more than 6% [1][3] - The U.S. White House plans to use an AI model developed by the Department of Defense to set reference prices for critical minerals, which is expected to enhance market expectations regarding the scarcity and pricing power of related strategic metals [3] Group 2 - Key minerals have become a focus for many countries due to concerns over supply chain security, leading to an increase in their resource attributes and making prices more likely to rise [4] - The non-ferrous ETF covers a wide range of industries including copper, aluminum, gold, rare earths, and lithium, allowing investors to capture the overall sector's beta performance effectively [4] - The tungsten raw material supply is tight, contributing to frequent historical highs in tungsten prices, with black tungsten concentrate seeing a 66.37% increase since 2026 [3]